21565786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{1483}}^1$

素因数の和:2157

約数の個数: 16

約数和(自身を含む): 35366688

約数和(自身を除く): 13800902

約数列:

[1, 2, 11, 22, 661, 1322, 1483, 2966, 7271, 14542, 16313, 32626, 980263, 1960526, 10782893, 21565786]

約数ペア:

[(1, 21565786), (2, 10782893), (11, 1960526), (22, 980263), (661, 32626), (1322, 16313), (1483, 14542), (2966, 7271)]